MFJ-993B MFJ993B MFJ-993 MFJ Original 1.8~30 MHz Automatic Antenna Tuner 300 Watts SSB / 150 Watts CW IntelliTuner w/SWR/Watt Meter.

I have a Yaesu FT-991A with the internal tuner I use on an EFHW 10-80M, 132ft wire with a 49:1 UNUN. The internal tuner can trim up the antenna on most bands but this one will tune a Wide spectrum of SWR, etc., into the thousands of ohms. A perfect addition for any barefoot rig.

Works great, no complaints. I'm been using it with a 450Ω ladder-line fed doublet cut for 40m, set up as an inverted V. Only time will tell if mine has the broken power switch problem that others have complained about.

ESTE EQUIPO MFJ993B ES DE BUENA CALIDAD, SIN EMBARGO AL SER UTILIZADO COMO CALIBRADOR DE AJUSTE DE IMPEDANCIAS CON RADIO YAESU FT991A REQUIERE DE OTRA INTERFACE EXTERNA ADICIONAL POR COMPRAR PARA QUE FUNCIONE AL 100%. LLEVO AÑOS SIN PODER USARLO HASTA EL DIA DE HOY YA QUE NO EXISTE A LA VENTA EN AMAZON RADIO INTERFACE MAS EL CABLE MFJ-5134Y ADICIONAL. SIGO ESPERANDO SE PUBLICA A LA VENTA ESTA INTERFACE

Very easy to install and gives excellent quick adjustment .

Works great but as power increases close to its limit it is slightly less effective. It was well worth the money.

I like everything about it.

Works really good made my radio station work 10 times better

I'm writing this review because if you buy anything from mfj They were probably not contact you I have sent them a antenna tuner that cost it almost $400 to have it repaired they neither called me or mailed anything to me it's been almost a year, Buy at your own risk,